选词填空。 Canadateacher Heboybe a (1) Myname's Mike. I'm from. (2) This isZhang Peng. is a student. (3) This isMiss Green. She is a. (4) I ama and you are a girl. (5) Let'splay game. (6) Do youwant to my friend ? 答案:【1】Canada
【1】He
【1】teacher
【1】boy
【1】a
【1】beP为正方形ABCD内部一点,PA=1,PD=2,PC=3,求阴影部分的面积SABCP.